{"id":"https://openalex.org/W3091110052","doi":"https://doi.org/10.1587/transinf.2020edp7076","title":"Real-Time Detection of Global Cyberthreat Based on Darknet by Estimating Anomalous Synchronization Using Graphical Lasso","display_name":"Real-Time Detection of Global Cyberthreat Based on Darknet by Estimating Anomalous Synchronization Using Graphical Lasso","publication_year":2020,"publication_date":"2020-09-30","ids":{"openalex":"https://openalex.org/W3091110052","doi":"https://doi.org/10.1587/transinf.2020edp7076","mag":"3091110052"},"language":"en","primary_location":{"id":"doi:10.1587/transinf.2020edp7076","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2020edp7076","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E103.D/10/E103.D_2020EDP7076/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.jstage.jst.go.jp/article/transinf/E103.D/10/E103.D_2020EDP7076/_pdf","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068829903","display_name":"Chansu Han","orcid":"https://orcid.org/0000-0002-1728-5300"},"institutions":[{"id":"https://openalex.org/I135598925","display_name":"Kyushu University","ror":"https://ror.org/00p4k0j84","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]},{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Chansu HAN","raw_affiliation_strings":["Kyushu University","National Institute of Information and Communications Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyushu University","institution_ids":["https://openalex.org/I135598925"]},{"raw_affiliation_string":"National Institute of Information and Communications Technology","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054530080","display_name":"Jumpei Shimamura","orcid":null},"institutions":[{"id":"https://openalex.org/I4210100160","display_name":"University of Kikwit","ror":"https://ror.org/0149e7294","country_code":"CD","type":"education","lineage":["https://openalex.org/I4210100160"]}],"countries":["CD"],"is_corresponding":false,"raw_author_name":"Jumpei SHIMAMURA","raw_affiliation_strings":["clwit Inc"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"clwit Inc","institution_ids":["https://openalex.org/I4210100160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029032117","display_name":"Takeshi Takahashi","orcid":"https://orcid.org/0000-0002-6477-7770"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takeshi TAKAHASHI","raw_affiliation_strings":["National Institute of Information and Communications Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071687365","display_name":"Daisuke Inoue","orcid":"https://orcid.org/0000-0002-4373-0834"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Daisuke INOUE","raw_affiliation_strings":["National Institute of Information and Communications Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology","institution_ids":["https://openalex.org/I90023481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020270107","display_name":"Jun\u2019ichi Takeuchi","orcid":"https://orcid.org/0000-0002-5819-3082"},"institutions":[{"id":"https://openalex.org/I135598925","display_name":"Kyushu University","ror":"https://ror.org/00p4k0j84","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Jun'ichi TAKEUCHI","raw_affiliation_strings":["Kyushu University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kyushu University","institution_ids":["https://openalex.org/I135598925"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016277128","display_name":"Koji Nakao","orcid":"https://orcid.org/0009-0004-5167-6163"},"institutions":[{"id":"https://openalex.org/I90023481","display_name":"National Institute of Information and Communications Technology","ror":"https://ror.org/016bgq349","country_code":"JP","type":"facility","lineage":["https://openalex.org/I90023481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Koji NAKAO","raw_affiliation_strings":["National Institute of Information and Communications Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Institute of Information and Communications Technology","institution_ids":["https://openalex.org/I90023481"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6208,"has_fulltext":true,"cited_by_count":17,"citation_normalized_percentile":{"value":0.85144425,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"E103.D","issue":"10","first_page":"2113","last_page":"2124"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10400","display_name":"Network Security and Intrusion Detection","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10400","display_name":"Network Security and Intrusion Detection","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11241","display_name":"Advanced Malware Detection Techniques","score":0.9961000084877014,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.9147225618362427},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.5742192268371582},{"id":"https://openalex.org/keywords/malware","display_name":"Malware","score":0.5697591304779053},{"id":"https://openalex.org/keywords/lasso","display_name":"Lasso (programming language)","score":0.5549376010894775},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.5115221738815308},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.49892735481262207},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.48859769105911255},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.40050914883613586},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.33041614294052124},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.17618298530578613}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.9147225618362427},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.5742192268371582},{"id":"https://openalex.org/C541664917","wikidata":"https://www.wikidata.org/wiki/Q14001","display_name":"Malware","level":2,"score":0.5697591304779053},{"id":"https://openalex.org/C37616216","wikidata":"https://www.wikidata.org/wiki/Q3218363","display_name":"Lasso (programming language)","level":2,"score":0.5549376010894775},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.5115221738815308},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.49892735481262207},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.48859769105911255},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.40050914883613586},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.33041614294052124},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.17618298530578613},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1587/transinf.2020edp7076","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2020edp7076","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E103.D/10/E103.D_2020EDP7076/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1587/transinf.2020edp7076","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transinf.2020edp7076","pdf_url":"https://www.jstage.jst.go.jp/article/transinf/E103.D/10/E103.D_2020EDP7076/_pdf","source":{"id":"https://openalex.org/S2486202937","display_name":"IEICE Transactions on Information and Systems","issn_l":"0916-8532","issn":["0916-8532","1745-1361"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Information and Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4418404237","display_name":"Development of the MDL Principle and Its Applications","funder_award_id":"18H03291","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320322638","display_name":"Waseda University","ror":"https://ror.org/00ntfnx83"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3091110052.pdf","grobid_xml":"https://content.openalex.org/works/W3091110052.grobid-xml"},"referenced_works_count":20,"referenced_works":["https://openalex.org/W69685990","https://openalex.org/W101051996","https://openalex.org/W162028236","https://openalex.org/W284347760","https://openalex.org/W1532313454","https://openalex.org/W1546137167","https://openalex.org/W1583098994","https://openalex.org/W1775772884","https://openalex.org/W1988546288","https://openalex.org/W1993929036","https://openalex.org/W2106287567","https://openalex.org/W2132555912","https://openalex.org/W2136690843","https://openalex.org/W2172084670","https://openalex.org/W2343978497","https://openalex.org/W2613843087","https://openalex.org/W2766240540","https://openalex.org/W2947969447","https://openalex.org/W2982360865","https://openalex.org/W4238201623"],"related_works":["https://openalex.org/W2097492617","https://openalex.org/W2753240997","https://openalex.org/W1764168690","https://openalex.org/W2537959205","https://openalex.org/W2740895074","https://openalex.org/W2772446090","https://openalex.org/W4284893819","https://openalex.org/W3152891574","https://openalex.org/W2249809453","https://openalex.org/W2031096545"],"abstract_inverted_index":{"With":[0],"the":[1,24,48,95,102,110,127,148,172],"rapid":[2],"evolution":[3],"and":[4,16,20,112,134,136,163,168],"increase":[5],"of":[6,26,51,92,97,109,126,143,160],"cyberthreats":[7,68,139,154],"in":[8,54,69,106,115,165],"recent":[9],"years,":[10],"it":[11,18,43,169],"is":[12,31,44,147],"necessary":[13],"to":[14,22,46,65,80,130],"detect":[15,138],"understand":[17,47],"promptly":[19],"precisely":[21],"reduce":[23],"impact":[25],"cyberthreats.":[27],"A":[28],"darknet,":[29],"which":[30],"an":[32,141],"unused":[33],"IP":[34],"address":[35],"space,":[36],"has":[37],"a":[38,86,90],"high":[39],"signal-to-noise":[40],"ratio,":[41],"so":[42],"easier":[45],"global":[49,67],"tendency":[50],"malicious":[52],"traffic":[53,158],"cyberspace":[55],"than":[56],"other":[57],"observation":[58],"networks.":[59],"In":[60,118],"this":[61],"paper,":[62],"we":[63,84,121,137],"aim":[64],"capture":[66],"real":[70,116,166],"time.":[71,117],"Since":[72],"multiple":[73],"hosts":[74,104],"infected":[75],"with":[76,140],"similar":[77,82],"malware":[78],"tend":[79],"perform":[81,122],"behavior,":[83],"propose":[85],"system":[87],"that":[88,152],"estimates":[89],"degree":[91],"synchronizations":[93],"from":[94,155],"patterns":[96],"packet":[98],"transmission":[99],"time":[100,108],"among":[101],"source":[103],"observed":[105],"unit":[107],"darknet":[111,157],"detects":[113,153],"anomalies":[114],"our":[119,123],"evaluation,":[120],"proof-of-concept":[124],"implementation":[125],"proposed":[128],"engine":[129],"demonstrate":[131],"its":[132],"feasibility":[133],"effectiveness,":[135],"accuracy":[142],"97.14%.":[144],"This":[145],"work":[146],"first":[149],"practical":[150],"trial":[151],"in-the-wild":[156],"regardless":[159],"new":[161],"types":[162],"variants":[164],"time,":[167],"quantitatively":[170],"evaluates":[171],"result.":[173]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":3}],"updated_date":"2026-06-22T08:00:12.763002","created_date":"2025-10-10T00:00:00"}